Synthesis of PMA/ZnAl-LDH Intercalation Nanocomposite by in situ Polymerization and Its Morphology

Abstract

Abstract: Apoly(methyl acrylate)(PMA)/ZnAl layered double hydroxide(ZnAl-LDH) intercalation nanocomposite is synthesized by in situ polymerization of methyl acrylate with ogano-modified ZnAl-LDH(O-ZnAl-LDH).Its structure and morphology are confirmed by X-ray diffraction(XRD) and transmission electron microscopy(TEM) image.The d₀₀₁of O-ZnAl-LDHis expanded to 2.85 nm after polymerization from 2.63 nm, which indicates the intercalation of PMAchains into the galleries of O-ZnAl-LDH.The (001) diffraction of PMA/ZnAl-LDH nanocomposite is broad due to the exfoliation of some O-ZnAl-LDH layers.The TEM image shows that the most of the layers of O-ZnAl-LDH are stacked with a distance of about 3 nm while some of them are exfoliated and dispersed disorderly in the PMA matrix.

Key words: Layered double hydroxide, Polymer/inorganic intercalation nanocomposite material, Morphology

CLC Number:

O631.1

TrendMD:

CHEN Wei, QU Bao-Jun, FENG Li . Synthesis of PMA/ZnAl-LDH Intercalation Nanocomposite by in situ Polymerization and Its Morphology[J]. Chem. J. Chinese Universities, 2003, 24(10): 1920.

References

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